Revision Test 1 TRUE/FALSE

A survey was conducted in Selangor regarding water problems faced by them. 1000 residents across the state were contacted by phone to get their opinion. In this survey, the 1000 residents contacted were the population.

• True

• False

A sample statistic changes each time you try to measure it, but a population parameter remains fixed.

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• False

A scientific procedure to make inferences about the population on the basis of sample comes under descriptive statistics.

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• False

Mutually exclusive indicates that an individual, object or measurement is included in only one category.

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• False

A store asks shoppers for their zip code to identify market areas. Zip codes are an example of nominal data.

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• False

A pilot study is a survey that involves getting information from the entire population.

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• False

Primary data is relatively in expensive since it is easily accessible from the internet, journal dan newspaper.

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• False

Continuous data are numerical data that arise from a counting process

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• False

It deals with techniques used for analysis of data, making estimate and drawing conclusions from limited information taken on sample basis called descriptive statistics.

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• False

The larger the sample size, the higher the likely error in generalizingd to the population.

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• False